2BK40 Seven Eighths Inch Bore Solid Sheave Pulley With 4 Inch Outer Diameter For 4L And 5L V Belts Dual Groove Hex Set Screws Cast Iron With Keyway Heavy Duty Belt Drive Pulley For Industrial Equipment And Machinery

2BK40 7/8 Bore Solid Sheave Pulley, 4 in OD, single unit
✔️ 7/8 bore, 4.0 in OD, 2 grooves, hex screws for 4L/5L belts

This solid sheave pulley is designed for belt-drive systems using 4L and 5L V-belts. It is commonly used in small machinery, conveyors, woodworking equipment, and compact automation setups where reliable belt drive is essential.

✅ Outer diameter: 4 in (101.6 mm)
✅ Bore: 7/8 in (22.23 mm)
✅ Belt compatibility: 4L, 5L V-belts
✅ Grooves: 2 grooves
✅ Material: Cast iron with keyway
✅ Mounting: Hex set screws for secure mounting

💡 What is a belt drive pulley used for in belt-drive systems?

This type of pulley provides rotation transfer from the drive belt to the shaft, enabling controlled speed and torque transmission. - handy for compact drives in conveyors and automation gear - handy for maintaining belt alignment and reducing slip in 4L/5L setups - easy to install with hex screws and a standard keyway